Table 2 Influence of CA and SC on Fv/Fm, Rd, Qy, LCP, Amax, and Fv/Fm of tea plants grown in four seasons monitored from June 2019 to May 2020

Rd

(μmol CO₂ m^− 2 s^− 1)

1.86^a

1.23^c

1.49^b

1.28^c

0.57^f

0.76^e

1.03^d

1.03^d

Qy

(CO₂/ PPFD)

0.04^a

0.03^b

0.02^c

0.02^c

0.04^a

0.03^b

0.03^b

0.03^b

LCP

(μmol PPFD m^− 2 s^− 1)

49.38^c

39.88^d

61.10^a

54.03^bc

11.66^f

24.17^e

27.88^e

35.05^d

Amax

(μmol CO₂ m^− 2 s^− 1)

10.43^b

8.05^cd

6.46^e

6.16^e

18.82^a

9.85^b

8.36^cd

7.16^d

Fv/Fm

0.76^a

0.74^c

0.74^c

0.73^d

0.76^a

0.75^b

0.75^b

0.75^b